How to Use a Metered Dose Inhaler

Return to Index Step 1: What is an Allergy?Step 2: The Role of the Immune System Step 3: What Substances Cause Allergies?Step 4: Allergy-Related Conditions Step 5: Should You See an Allergist?Step 6: Allergy Testing and Diagnosis Step 7: Introduction to Allergy Treatment Step 8: Avoid Allergy Triggers Step 9: Types of Allergy Medication Step 10: Over-the-Counter vs Prescription Drugs Step 11: Immunotherapy Step 12: You and Your Doctor Are a Team Key Points Glossary

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A metered dose inhaler (MDI) delivers a specific amount of medicine in aerosol form. This makes it possible to inhale the medication, instead of taking it in pill form. MDI's are commonly used to treat asthma, COPD, and other respiratory conditions.

Review Date: 5/16/2007

Reviewed By: Alan Greene, M.D., F.A.A.P., Department of Pediatrics, Packard Children's Hospital, Stanford University School of Medicine; Chief Medical Officer, A.D.A.M., Inc.

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